<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1 user-scalable=0"/>
    <link rel="shortcut icon" href="img/logo.png">
    <title>html5 audio音频播放</title>
    <style>
        *{ margin: 0; padding:0;}
        body{-webkit-tap-highlight-color: rgba(0,0,0,0); font-family: "微软雅黑"}
        h1{ width: 100%; font-size: 1.5em; text-align: center; line-height: 3em; color:#47c9af; }
        #audio{ width: 100%;}
        #control{ width: 150px; height: 150px; line-height: 150px; text-align: center; border-radius: 200px; border:none; color:#fff; margin-top: -75px; margin-left:-75px; left:50%; top:50%; position: absolute; box-shadow: #888 0 0 8px;}
        .color_gray{ background: #e4e4e4}
        .hide{ display: none;}
        .show{ display: block;}
        .play{ background:  #f06060;}
        .pause{ background:skyblue}
        /*进度条样式*/
        .progressBar{ width: 100%; height: 10px;margin: 30px auto 30px auto; position:absolute; left: 0; bottom: 35px;}
        .progressBar div{ position: absolute;}
        .progressBar .progressBac{ width: 100%; height: 10px;  left: 0; top:0; background: #e4e4e4;}
        .progressBar .speed{width: 100%; height: 10px; left: -100%; background: #f06060; }
        .progressBar .drag{ width: 30px; height: 30px; left: 0; top:-10px;  background: skyblue; opacity: 0.8; border-radius: 50px; box-shadow: #fff 0 0 5px;}
        /*时间样式*/
        #time{ width: 100%; height: 20px;position: absolute; left: 0; bottom:30px; color:#888;}
        .tiemDetail{ position: absolute; right:10px; top:0;}
        #songInfo{overflow: hidden; width: 200px; height:50px; line-height: 50px; text-align: center; color:#34495e;   margin-top: -25px; margin-left:-100px; left:50%; top:70%; position: absolute;}
        .shareImg{ position: absolute; left: 100000px;}
    </style>

    <!--<script src="js/zepto.js"></script>-->
</head>

<body>
<script>
    $(function() {
        getSong();
    })

    //获取歌曲链接并插入dom中
    function getSong() {
        var audio = document.getElementById("audio");
        audio.src = "http://frontman.qiniudn.com/songnotime.mp3";
        audio.loop = true; //歌曲循环
        playCotrol(); //播放控制函数

    }

    //点击播放/暂停
    function clicks() {
        var audio = document.getElementById("audio");
        $("#control").click(function() {
            if ($("#control").hasClass("play")) {
                $("#control").addClass("pause").removeClass("play");
                audio.play();//开始播放
                dragMove();//并且滚动条开始滑动
                $("#control").html("暂停播放");
            } else {
                $("#control").addClass("play").removeClass("pause");
                $("#control").html("点击播放");
                audio.pause();
            }
        })
    }

    //播放时间
    function timeChange(time, timePlace) {//默认获取的时间是时间戳改成我们常见的时间格式
        var timePlace = document.getElementById(timePlace);
        //分钟
        var minute = time / 60;
        var minutes = parseInt(minute);
        if (minutes < 10) {
            minutes = "0" + minutes;
        }
        //秒
        var second = time % 60;
        seconds = parseInt(second);
        if (seconds < 10) {
            seconds = "0" + seconds;
        }
        var allTime = "" + minutes + "" + ":" + "" + seconds + ""
        timePlace.innerHTML = allTime;
    }

    //播放事件监听
    function playCotrol() {
        audio.addEventListener("loadeddata", //歌曲一经完整的加载完毕( 也可以写成上面提到的那些事件类型)
            function() {
                $("#control").addClass("play").removeClass("color_gray");
                $("#control").html("点击播放");
                addListenTouch(); //歌曲加载之后才可以拖动进度条
                var allTime = audio.duration;
                timeChange(allTime, "allTime");
                setInterval(function() {
                    var currentTime = audio.currentTime;
                    $("#time .currentTime").html(timeChange(currentTime, "currentTime"));
                }, 1000);
                clicks();
            }, false);

        audio.addEventListener("pause",
            function() { //监听暂停
                $("#control").addClass("play").removeClass("pause");
                $("#control").html("点击播放");
                if (audio.currentTime == audio.duration) {
                    audio.stop();
                    audio.currentTime = 0;
                }
            }, false);
        audio.addEventListener("play",
            function() { //监听暂停
                $("#control").addClass("pause").removeClass("play");
                $("#control").html("暂停播放");
                dragMove();
            }, false);
        audio.addEventListener("ended", function() {
            alert(0)
        }, false)
    }

    //进度条
    //这里我用的是事件实现进度拖动 如果不太熟悉touch的可以看下我之前写的一个小demo http://www.cnblogs.com/leinov/p/3701951.html
    var startX, x, aboveX = 0; //触摸时的坐标 //滑动的距离  //设一个全局变量记录上一次内部块滑动的位置

    //1拖动监听touch事件
    function addListenTouch() {
        document.getElementById("drag").addEventListener("touchstart", touchStart, false);
        document.getElementById("drag").addEventListener("touchmove", touchMove, false);
        document.getElementById("drag").addEventListener("touchend", touchEnd, false);
        var drag = document.getElementById("drag");
        var speed = document.getElementById("speed");
    }

    //touchstart,touchmove,touchend事件函数
    function touchStart(e) {
        e.preventDefault();
        var touch = e.touches[0];
        startX = touch.pageX;
    }
    function touchMove(e) { //滑动
        e.preventDefault();
        var touch = e.touches[0];
        x = touch.pageX - startX; //滑动的距离
        //drag.style.webkitTransform = 'translate(' + 0+ 'px, ' + y + 'px)';  //也可以用css3的方式
        drag.style.left = aboveX + x + "px"; //
        speed.style.left = -((window.innerWidth) - (aboveX + x)) + "px";
    }
    function touchEnd(e) { //手指离开屏幕
        e.preventDefault();
        aboveX = parseInt(drag.style.left);
        var touch = e.touches[0];
        var dragPaddingLeft = drag.style.left;
        var change = dragPaddingLeft.replace("px", "");
        numDragpaddingLeft = parseInt(change);
        var currentTime = (numDragpaddingLeft / (window.innerWidth - 30)) * audio.duration;//30是拖动圆圈的长度，减掉是为了让歌曲结束的时候不会跑到window以外
        audio.currentTime = currentTime;
    }
    //3拖动的滑动条前进
    function dragMove() {
        setInterval(function() {
            drag.style.left = (audio.currentTime / audio.duration) * (window.innerWidth - 30) + "px";
            speed.style.left = -((window.innerWidth) - (audio.currentTime / audio.duration) * (window.innerWidth - 30)) + "px";
        }, 500);
    }
</script>

<h1>html5 audio 音频播放demo</h1>

<!--audiostart-->
<audio id="audio" src=""  loop="loop" autoplay="autoplay" ></audio>
<!--audio End-->



<!--播放控制按钮start-->
<button id="control" class="">loading</button>
<!--播放控制按钮end-->

<!--时间进度条块儿start-->
<section class="progressBar">
    <div class="progressBac"></div>
    <div class="speed" id="speed"></div>
    <div class="drag" id="drag"></div>
</section>
<!--时间进度条块儿end-->

<!--播放时间start-->
<div id="time"><div class="tiemDetail"><span class="currentTime" id="currentTime">00:00</span>/<span class="allTime" id="allTime">00:00</span></div></div>
<!--播放时间end-->
<!--歌曲信息start-->
<div id="songInfo">没时间-Leinov<div class="shareImg"><img src="images/pic-8.JPG" alt=""></div></div>
<!--歌曲信息end-->
</body>
</html>